Wakayama University · Faculty of Systems Engineering · 講師

Research keywords情報フォトニクス・光応用計測・Optics・Holography・Phase・(matter)・Holographic・data

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• Improvement of image quality by intensity compensation based on temporal multiplexing in a binary phase-only holographic display2025 · Masaya Hayashi, Yusuke Saita, Takanori Nomura
• Checkerboarded spherical phase-based computational optical scanning holography2025 · Computational optical scanning holography (COSH) is a single-pixel imaging technique that projects structured interference fringes onto an object using a polarization-dependent spatial light modulator. A hologram is obtained by arranging the total transmitted or reflected light that is measured by a single-pixel detector. After numerical reconstruction of the hologram, three-dimensional imaging is available. However, conventional COSH requires a four-step phase-shifting method to suppress unwanted components, resulting in a long measurement time. To overcome this, we propose a method using a checkerboarded spherical phase distribution in COSH, which combines a binary checkerboarded phase and a spherical phase. This design allows four phase-shifted holograms to be recorded simultaneously through multiplexed diffraction, reducing measurement time to one-fourth. Numerical simulations and optical experiments are given to confirm the proposed method.
• Single-shot Compressive Hyperspectral Imaging Utilizing Both Positive and Negative Diffracted Waves2025 · Yusuke Saita, Ryohei Takahashi, Takanori Nomura (担当区分： 筆頭著者, 責任著者 )
• Scanning single-pixel imaging with binary random structured illumination2025 · Masahiro Imafuku, Takanori Nomura, Yusuke Saita

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